He argued that the sharp increase in the human population since the onset of industrialisation was destroying the planet. He warned that Earth would not survive unless its human population was reduced to a tenth of its present number.

He then offered drastic solutions, accompanying his remarks with a slide depicting the Four Horsemen of the Apocalypse.

War and famine were insufficient for solving global overpopulation, he explained. Instead, disease was far more efficient and swift. At this point, Pianka displayed a slide showing rows of human skulls.

AIDS took too long to kill people off, he explained. His preferred method of exterminating over five billion human beings was via airborne Ebola (Ebola Reston), because it is both highly lethal and kills its victims in days rather than years.